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Популярное Word Problems >

The sum of three consecutive odd numbers is 57 . What are the three numbers?

Решение

T h e s u m o f t h ree co n sec u t i v e o dd n u mb ers i s 57 . Wha t a re t h e t h ree n u mb ers ?

Решение

The numbers : 17, 19, 21

Шаги решения

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 57

Решить

x + x + 2 + x + 4 = 57 : x = 17

x + 2 = 17 + 2 = 19

x + 4 = 17 + 4 = 21

The numbers : 17, 19, 21

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